Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Em que dia Alex Best saiu?
 ###Tabelas: CREATE TABLE 1990s-_persian_gulf_war_and_no-fly_zones (1990s-_persian_gulf_war_and_no-fly_zones_id AUTO_INCREMENT PRIMARY KEY, Aircraft VARCHAR, 1990 INT, destroyed INT, damaged INT, to Iran INT, survived INT) CREATE TABLE universities (universities_id AUTO_INCREMENT PRIMARY KEY, Members VARCHAR, Country VARCHAR, Year Established INT, World Rank by THE-WUR , 2013 VARCHAR, World Rank by ARWU , 2013 VARCHAR, World Rank by QS , 2013 VARCHAR) CREATE TABLE participating_schools (participating_schools_id AUTO_INCREMENT PRIMARY KEY, School VARCHAR, Location VARCHAR, Enrolment INT, Founded INT, Denomination VARCHAR, Day/Boarding VARCHAR, School Colours VARCHAR, Abbreviation VARCHAR, In competition since INT) CREATE TABLE series_3_2004 (series_3_2004_id AUTO_INCREMENT PRIMARY KEY, Celebrity VARCHAR, Famous for VARCHAR, Entered VARCHAR, Exited VARCHAR, Finished VARCHAR) CREATE TABLE best_economy (best_economy_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Team VARCHAR, Matches INT, Overs INT, Economy Rate INT, Wickets INT, Average INT, Strike Rate INT, Best Bowling VARCHAR)  
SELECT Exited FROM series_3_2004 WHERE Celebrity = alex best